URL decode numbers in quick response.

Fixes #3518
Closes #3522

src/org/thoughtcrime/securesms/service/QuickResponseService.java

@@ -19,6 +19,7 @@ import org.thoughtcrime.securesms.sms.OutgoingTextMessage;
 import org.thoughtcrime.securesms.util.Rfc5724Uri;
 
 import java.net.URISyntaxException;
+import java.net.URLDecoder;
 
 public class QuickResponseService extends MasterSecretIntentService {
 
@@ -44,7 +45,11 @@ public class QuickResponseService extends MasterSecretIntentService {
     try {
       Rfc5724Uri uri        = new Rfc5724Uri(intent.getDataString());
       String     content    = intent.getStringExtra(Intent.EXTRA_TEXT);
-      Recipients recipients = RecipientFactory.getRecipientsFromString(this, uri.getPath(), false);
+      String     numbers    = uri.getPath();
+      if(numbers.contains("%")){
+        numbers = URLDecoder.decode(numbers);
+      }
+      Recipients recipients = RecipientFactory.getRecipientsFromString(this, numbers, false);
 
       if (!TextUtils.isEmpty(content)) {
         if (recipients.isSingleRecipient()) {

test/androidTest/java/org/thoughtcrime/securesms/util/Rfc5724UriTest.java

@@ -65,6 +65,7 @@ public class Rfc5724UriTest extends TextSecureTestCase {
   public void testGetPath() throws Exception {
     final String[][] uriTestPairs = {
         {"sms:+15555555555",                      "+15555555555"},
+        {"sms:%2B49555555555",                    "%2B555555555"},
         {"smsto:+15555555555?",                   "+15555555555"},
         {"mms:+15555555555?a=b",                  "+15555555555"},
         {"mmsto:+15555555555?a=b&c=d",            "+15555555555"},